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GB2376828B - System and method for improving image quality in processed images - Google Patents

System and method for improving image quality in processed images

Info

Publication number
GB2376828B
GB2376828B GB0209248A GB0209248A GB2376828B GB 2376828 B GB2376828 B GB 2376828B GB 0209248 A GB0209248 A GB 0209248A GB 0209248 A GB0209248 A GB 0209248A GB 2376828 B GB2376828 B GB 2376828B
Authority
GB
United Kingdom
Prior art keywords
image
regions
picture element
region
artifact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0209248A
Other languages
English (en)
Other versions
GB2376828A (en
GB0209248D0 (en
Inventor
Scott C Baggs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Priority to GB0518229A priority Critical patent/GB2415570B/en
Priority to GB0512433A priority patent/GB2412530B/en
Publication of GB0209248D0 publication Critical patent/GB0209248D0/en
Publication of GB2376828A publication Critical patent/GB2376828A/en
Application granted granted Critical
Publication of GB2376828B publication Critical patent/GB2376828B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20192—Edge enhancement; Edge preservation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB0209248A 2001-05-01 2002-04-23 System and method for improving image quality in processed images Expired - Fee Related GB2376828B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0518229A GB2415570B (en) 2001-05-01 2002-04-23 System and method for improving image quality in processed images
GB0512433A GB2412530B (en) 2001-05-01 2002-04-23 System and method for improving image quality in processed images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/846,408 US6983078B2 (en) 2001-05-01 2001-05-01 System and method for improving image quality in processed images

Publications (3)

Publication Number Publication Date
GB0209248D0 GB0209248D0 (en) 2002-06-05
GB2376828A GB2376828A (en) 2002-12-24
GB2376828B true GB2376828B (en) 2005-12-14

Family

ID=25297847

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0209248A Expired - Fee Related GB2376828B (en) 2001-05-01 2002-04-23 System and method for improving image quality in processed images

Country Status (3)

Country Link
US (1) US6983078B2 (de)
DE (1) DE10219132A1 (de)
GB (1) GB2376828B (de)

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JP4366011B2 (ja) * 2000-12-21 2009-11-18 キヤノン株式会社 文書処理装置及び方法
KR100392449B1 (ko) * 2001-07-16 2003-07-23 삼성전자주식회사 디지털ｔｖ신호의 재생시스템 및 그 재생방법
KR100512947B1 (ko) * 2003-01-16 2005-09-07 삼성전자주식회사 출력신호제어가 가능한 콤비네이션 시스템 및 그의 제어방법
US7339601B2 (en) * 2003-07-10 2008-03-04 Samsung Electronics Co., Ltd. Methods of suppressing ringing artifact of decompressed images
US7382366B1 (en) * 2003-10-21 2008-06-03 Nvidia Corporation Method, apparatus, system, and graphical user interface for selecting overclocking parameters of a graphics system
US20070274397A1 (en) * 2004-05-18 2007-11-29 Koninklijke Philips Electronics N.V. Algorithm for Reducing Artifacts in Decoded Video
US7362474B2 (en) * 2004-06-07 2008-04-22 Lite-On Technology Corp. Printing quality enhancement via graphic/text detection method in compression (JPEG) image
GB2418093B (en) * 2004-09-09 2007-03-28 Imagination Tech Ltd Method and apparatus for removing visible artefacts in video images
US7433512B2 (en) * 2004-11-09 2008-10-07 Dalsa Corporation Method and apparatus for finding and correcting single-pixel noise defects in a two-dimensional camera pixel field and a camera provided with such an apparatus
JP4457346B2 (ja) * 2004-11-12 2010-04-28 ノーリツ鋼機株式会社 画像ノイズ除去方法
JP4646797B2 (ja) * 2005-02-01 2011-03-09 キヤノン株式会社 画像処理装置及びその制御方法、プログラム
US7292248B2 (en) * 2005-02-01 2007-11-06 Mellema John T Technique for storing and displaying computer text
US7885478B2 (en) * 2005-05-19 2011-02-08 Mstar Semiconductor, Inc. Noise reduction method and noise reduction apparatus
US7551795B2 (en) * 2005-11-01 2009-06-23 Samsung Electronics Co., Ltd. Method and system for quantization artifact removal using super precision
US8090210B2 (en) 2006-03-30 2012-01-03 Samsung Electronics Co., Ltd. Recursive 3D super precision method for smoothly changing area
US7738729B2 (en) * 2006-08-02 2010-06-15 Morpho Detection, Inc. Systems and methods for reducing an artifact within an image
US7925086B2 (en) 2007-01-18 2011-04-12 Samsung Electronics Co, Ltd. Method and system for adaptive quantization layer reduction in image processing applications
JP4416031B2 (ja) * 2007-10-11 2010-02-17 セイコーエプソン株式会社 画像処理装置、画像処理方法及びそれらの機能を実現するためのコンピュータプログラム並びにそのコンピュータプログラムを記録した記録媒体
US8131072B2 (en) * 2007-11-26 2012-03-06 Aptina Imaging Corporation Method and apparatus for reducing image artifacts based on aperture-driven color kill with color saturation assessment
US8730396B2 (en) * 2010-06-23 2014-05-20 MindTree Limited Capturing events of interest by spatio-temporal video analysis
US9071851B2 (en) 2011-01-10 2015-06-30 Qualcomm Incorporated Adaptively performing smoothing operations
EP2863566B1 (de) 2013-10-18 2020-09-02 Université de Nantes Verfahren zur Rekonstruktion eines Datenblocks und Vorrichtung zur Verwendung davon
US9693063B2 (en) * 2015-09-21 2017-06-27 Sling Media Pvt Ltd. Video analyzer
US9749686B2 (en) 2015-09-21 2017-08-29 Sling Media Pvt Ltd. Video analyzer
US9836664B1 (en) * 2016-05-27 2017-12-05 Intuit Inc. Method and system for identifying and addressing imaging artifacts to enable a software system to provide financial services based on an image of a financial document
KR101946576B1 (ko) * 2016-12-23 2019-02-11 삼성전자주식회사 의료 영상 장치 및 의료 영상 처리 방법
US11842427B2 (en) * 2018-05-15 2023-12-12 Monash University Method and system of motion correction for magnetic resonance imaging
CA3109671A1 (en) * 2018-08-14 2020-02-20 Contrast, Inc. Image compression
CN110992342B (zh) * 2019-12-05 2023-04-18 电子科技大学 基于3datv约束的spcp红外弱小目标检测方法
US20240244199A1 (en) * 2022-02-25 2024-07-18 Kwangwoon University Industry-Academic Collaboration Foundation Encoding/decoding method for purpose of scalable structure-based hybrid task
CN118968929B (zh) * 2024-07-29 2025-08-19 新型显示与视觉感知石城实验室 一种Mini-LED背光显示器的局部调光优化方法及系统

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EP0794671A2 (de) * 1996-03-07 1997-09-10 Mitsubishi Denki Kabushiki Kaisha Dekodierungsverfahren für bewegte Bilder und Gerät zur Erfassung von kontaminierten Regionen
US5796875A (en) * 1996-08-13 1998-08-18 Sony Electronics, Inc. Selective de-blocking filter for DCT compressed images
US5799111A (en) * 1991-06-14 1998-08-25 D.V.P. Technologies, Ltd. Apparatus and methods for smoothing images
JPH10276433A (ja) * 1997-03-31 1998-10-13 Toshiba Corp ブロックノイズ除去装置
EP0999709A2 (de) * 1998-11-05 2000-05-10 Nokia Mobile Phones Ltd. Fehlererkennung in einer niedrigen Bitrate Videoübertragung

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US5675666A (en) * 1995-03-02 1997-10-07 Sony Corportion Image data compression method and apparatus with pre-processing to compensate for the blocky effect
US5933540A (en) * 1995-05-11 1999-08-03 General Electric Company Filter system and method for efficiently suppressing noise and improving edge definition in a digitized image
US6285801B1 (en) * 1998-05-29 2001-09-04 Stmicroelectronics, Inc. Non-linear adaptive image filter for filtering noise such as blocking artifacts
US6529622B1 (en) * 1998-10-30 2003-03-04 General Electric Company Method and apparatus for identifying defective regions in a discrete pixel detector
US6529638B1 (en) * 1999-02-01 2003-03-04 Sharp Laboratories Of America, Inc. Block boundary artifact reduction for block-based image compression

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5799111A (en) * 1991-06-14 1998-08-25 D.V.P. Technologies, Ltd. Apparatus and methods for smoothing images
EP0794671A2 (de) * 1996-03-07 1997-09-10 Mitsubishi Denki Kabushiki Kaisha Dekodierungsverfahren für bewegte Bilder und Gerät zur Erfassung von kontaminierten Regionen
US5796875A (en) * 1996-08-13 1998-08-18 Sony Electronics, Inc. Selective de-blocking filter for DCT compressed images
JPH10276433A (ja) * 1997-03-31 1998-10-13 Toshiba Corp ブロックノイズ除去装置
EP0999709A2 (de) * 1998-11-05 2000-05-10 Nokia Mobile Phones Ltd. Fehlererkennung in einer niedrigen Bitrate Videoübertragung

Also Published As

Publication number Publication date
GB2376828A (en) 2002-12-24
DE10219132A1 (de) 2002-11-14
US6983078B2 (en) 2006-01-03
GB0209248D0 (en) 2002-06-05
US20020164084A1 (en) 2002-11-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110423